Iterative reconstruction for circular cone-beam CT with an offset flat-panel detector

IEEE Nuclear Science Symposium Conference Record

Volumn , Issue , 2010, Pages 2228-2231

  Hansis, Eberhard ^a   Bredno, Jörg ^a   Sowards Emmerd, David ^a   Shao, Lingxiong ^a  

^a PHILIPS HEALTHCARE   (United States)

Author keywords

cone beam computed tomography; Iterative reconstruction; SPECT CT

Indexed keywords

ACQUISITION GEOMETRY; ALGORITHM INITIALIZATION; ATTENUATION CORRECTION; AXIAL TRUNCATION; BACK-PROJECTION METHODS; CIRCULAR SOURCES; CONE-BEAM COMPUTED TOMOGRAPHY; CONE-BEAM CT; EFFICIENT IMPLEMENTATION; FIELD OF VIEWS; FLAT-PANEL DETECTORS; FLAT-PANEL X-RAY DETECTOR; GRAPHICS PROCESSING UNIT; IMAGE GUIDED RADIOTHERAPY; INTENSITY IMBALANCE; ITERATIVE RECONSTRUCTION; ITERATIVE RECONSTRUCTION ALGORITHMS; LARGE DETECTORS; OVERLAP REGION; PHANTOM STUDIES; SMALL DETECTORS; SPECIAL ALGORITHMS; SPECT/CT; TARGET IMAGING; X-RAY PROJECTIONS;

ALGORITHMS; COMPUTER GRAPHICS EQUIPMENT; DETECTORS; GAMMA RAYS; IMAGE QUALITY; MEDICAL IMAGING; NUCLEAR PHYSICS; PROGRAM PROCESSORS; TOMOGRAPHY; X RAYS;

COMPUTERIZED TOMOGRAPHY;

EID: 79960313935     PISSN: 10957863     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/NSSMIC.2010.5874179     Document Type: Conference Paper

References (10)

1. P. S. Cho, A. D. Rudd, and R. H. Johnson, "Cone-beam CT from widthtruncated projections," Comp. Med. Imag. Graph., vol. 20, pp. 49-57, 1996.
2. G. Wang, "X-ray micro-CT with a displaced detector array," Med. Phys., vol. 29, pp. 1634-1636, 2002.
3. P. S. Cho, R. H. Johnson, and T. W. Griffin, "Cone-beam CT for radiotherapy applications," Phys. Med. Biol., vol. 40, pp. 1863-1883, 1995.
4. D. A. Jaffray, J. H. Siewerdsen, J. W. Wong, and A. A. Martinez, "Flatpanel cone-beam computed tomography for image-guided radiation therapy," Int. J. Rad. Onc. Biol. Phys., vol. 53, pp. 1337-1349, 2002.
5. D. Sowards-Emmerd, K. Balakrishnan, J. Wiener, L. Shao, and J. Ye, "CBCT-subsystem performance of the multi-modality Brightview XCT syste," in IEEE NSS Conf. Rec., 2009, pp. 3053-3058.
6. L. A. Feldkamp, L. C. Davis, and J. W. Kress, "Practical cone-beam algorithms," J. Opt. Soc. Am. A, vol. 1, pp. 612-619, 1984.
7. D. Schäfer and M. Grass, "Cone-beam filtered back-projection for circular X-ray tomography with off-center detector," in Proc. Fully 3D Meeting, 2009, pp. 86-89.
8. -, "BPF versus FBP: A comparison of reconstruction methods for circular X-ray tomography with off-center detector," in Proc. 1st. Int. Conf. Imag. Form. X-Ray CT, 2010, pp. 206-209.
9. A. H. Andersen and A. C. Kak, "Simultaneous algebraic reconstruction technique (SART): a superior implementation of the ART algorithm," Ultrason. Imag., vol. 25, pp. 81-94, 1984.
10. H. Erdoǧan and J. A. Fessler, "Monotonic algorithms for transmission tomography," IEEE Trans. Med. Imag., vol. 18, pp. 801-814, 1999.